Exam 22: Structure and Function of the Cardiovascular and Lymphatic Systems

A patient researches baroreceptors online.Which information indicates a good understanding? Baroreceptors are located in the:

A 65-year-old male is transported to the ER for chest pain.An electrocardiogram reveals a prolonged QRS interval.What is the nurse monitoring when the nurse observes the QRS complex on the electrocardiogram? The QRS complex reflects:

A cardiologist is teaching about the period that follows depolarization of the myocardium and represents a period during which no new cardiac potential can be propagated.What is the cardiologist describing?

A new drug is released to aid in weight loss.It stimulates the sympathetic system.The nurse monitors for an increased heart rate.The sympathetic system causes this by:

A 52-year-old female is admitted to the cardiac unit with a diagnosis of pericarditis.She asks the nurse to explain where the infection is.In providing an accurate description,the nurse states that the pericardium is:

Which information by the nurse indicates a good understanding of depolarization? Depolarization of a cardiac muscle cell occurs as the result of:

The molecule that aids in bonding of the troponin complex to actin and tropomyosin is troponin:

When a staff member asks where venous blood from the coronary circulation drains into,what is the best response by the nurse? The:

The nurse is reviewing a normal electrocardiogram.The nurse assesses the PR interval because it represents:

When a patient wants to know about the renin-angiotensin-aldosterone system,what is the nurse's best response? Conversion of angiotensin I to angiotensin II happens in the:

A 65-year-old male develops blockage in the pulmonary artery.As a result of the blockage,blood would first back up into the:

Which principle should the nurse remember when planning nursing care for a patient with heart problems? As stated by the Frank-Starling law,there is a direct relationship between the _____ of the blood in the heart at the end of diastole and the _____ of contraction during the next systole.

A nurse observes a cardiologist multiplying the heart rate by stroke volume.What is the cardiologist measuring?

Within a normal physiologic range,an increase in left ventricular end-diastolic volume would lead the nurse to monitor for:

A nurse is evaluating stroke volume.Which of the following factors affect stroke volume? (Select all that apply.)

The thoracic lymphatic duct drains into the:

Which statement indicates the nurse understands coronary ostia? The coronary ostia (the openings to the coronary arteries)are found in the:

To help a nursing student differentiate cardiac muscle from skeletal muscle,which characteristic should the nurse use? One difference between cardiac muscle and skeletal muscle is that:

A 13-year-old female took a weight loss drug that activated the sympathetic nervous system.Which of the following assessment findings would the nurse expect?

A 28-year-old female with seizure disorder has a vagus nerve stimulator implanted to help control seizure activity.Which of the following would the nurse also expect to occur?